| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] at the time [prep] | 70 |
|
| 2 | [adv] [verb] at the time of | 57 |
|
| 3 | [adv] [vb pp] at the time [prep] | 51 |
|
| 4 | [adv] [verb] at the time [prep] | 46 |
|
| 5 | [not/n't] [verb] at the time [prep] | 24 |
|
| 6 | not [verb] at the time [prep] | 24 |
|
| 7 | not [verb] at the time [prep] | 19 |
|
| 8 | [adv] [vb infin] at the time [prep] | 7 |
|
| 9 | [adv] [vb past] at the time [prep] | 5 |
|
| 10 | [adv] investigated at the time [prep] | 5 |
|
| 11 | n't [verb] at the time [prep] | 5 |
|
| 12 | properly [verb] at the time [prep] | 5 |
|
| 13 | [adv] investigate at the time [prep] | 5 |
|
| 14 | [adv] [v-ing] at the time [prep] | 5 |
|
| 15 | properly [verb] at the time [prep] | 5 |
|
| 16 | [adv] know at the time [prep] | 5 |
|
